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Finding the Fourth Proportional to 1,075.43, 1,484.04 and 596.85

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Solution

The fourth proportional to 1,075.43, 1,484.04 and 596.85 is: 823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.43 : 1,484.04 = 596.85 : x
  2. Step 2: Convert to fraction form
    1,075.43/1,484.04 = 596.85/x
  3. Step 3: Cross multiply
    1,075.43x = 1,484.04 × 596.85
  4. Step 4: Simplify right side
    1,075.43x = 885,750.94
  5. Step 5: Solve for x
    x = 885,750.94/1,075.43
  6. Step 6: Final answer
    x = 823.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.